diff --git a/Gemfile b/Gemfile
index b9044199..39e6cb41 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,6 @@
 source 'https://rubygems.org'
 
 gem 'mutant', path: '.'
-gem 'morpher', git: 'https://github.com/mbj/morpher'
 
 gemspec name: 'mutant'
 
diff --git a/mutant.gemspec b/mutant.gemspec
index a1255c6f..bbfef4e3 100644
--- a/mutant.gemspec
+++ b/mutant.gemspec
@@ -26,7 +26,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency('parser',        '~> 2.1')
   gem.add_runtime_dependency('ast',           '~> 2.0')
   gem.add_runtime_dependency('diff-lcs',      '~> 1.2')
-  gem.add_runtime_dependency('morpher',       '~> 0.2.2')
+  gem.add_runtime_dependency('morpher',       '~> 0.2.3')
   gem.add_runtime_dependency('procto',        '~> 0.0.2')
   gem.add_runtime_dependency('abstract_type', '~> 0.0.7')
   gem.add_runtime_dependency('unparser',      '~> 0.1.12')